SODA Climate Chunky Lace Up Platform Heel Ankle Boot Booty Synthetic Synthetic sole Shaft measures approximately 9 from arch Platform measures approximately 1.50" Synthetic upper, synthetic sole Measurements approx: Heel 4.25" w/ 1.5" platform, 8.5" shaft, 9.75" opening circumference. Non-skid sole and cushioned footbed. Fit: Runs true to size.